Coating machine



Oct. 9 1923.

Z. OSTENBERG GOATING MACHzLNE` Filed Aug. Z1. 1921 w llJVENTOR @427 ATTORNEY Patented Get. 9,1923. y y l i i UIEnsuresPATENTOFFICE.

ZENO osrENBnnejor s z-IN Josu, CALIFORNIA,` nssIeNoaro THE Curieux` COMPANY, or SAN Josu, CALIFORNIA, CORPORATION or CALIFORNIA. f

CDATIN'G'` MACHINE.

Application led hugustl, 1921. Serial No. 497,307. p T @ZZ @wmz'tma/COncera: y i i titions 19\-`20-21-22--`2t i i `Be 1t known that l, ZnNo OSTENBNRG, a tending to points in close proximity to the citizen of the United States',` and resident ofimaterial being coated. vThe partitions 19- San Jose, in the county of Santa Clara and y 21923-25 are preferably formedas shownY eri-ee-eefex- 5 State of California, have invented certain in Figure 2 with openings formed in their 00 new and useful Improvements yin Coating upperedges as at 19@M2M-#23Li-25a.r The Machines, of which theifollowing is a speer alternating partitions 20-22-424-26 are u fication. s i u preferably formedwith spaced openings in This invention relates to machines for coattheir lower edges as shown at 27-28 in Figingfa moving strip of material with a suit-` ure`3. Theeifeot of thisconstructionl isthat` 05 able compositionasfin the manufacturing of air entering compartment 18` must pass to artificial leather. i Y the `sides and bottom thereof to pass parti` It is the object of the invention to provide tion v26 and then to the center and top of i a machine ofthe character indicated the next compartment topass the partition in which means is provided for p re, following, so that the air is effectually dif-70",`

moving the, minute bubbles present in fused and mixed in its passage throughy the newly applied coating` material; in chamber 3y and all portions-'of the strip 7 which a chamber of novel construction is `are reached by it.` f provided tol` effect the uniform diffusion of Chamber 3 forms a part'of' a closed air drying air over the moving strip of coated circuit,l the air passing from said chamber 75': i

mate-rial; inl `which i novel `means `are ar-` through aheat exchanger 29, thencethrough ranged in said drying kchamber to main- `a condenser 30,bacli throughheat exchanger tain the drying air at a `substantially uni-I 29 and thence to compartment 18in chamber form temperature throughout the drying 13 through a pre-heater 31 and fan 32.' i

process; in which certainnovel methods of Since it is highlyidesirable thatthe tem- 80+ solvent recovery are utilized. lt vis afurther perature of the air be maintained somewhat object of my invention to provide a ma- `uniform' throughout chamber 3 a series of chine of the character indicated which will` `steamcoils as 33 is inserted in eachof the y be simple in construction,positive'in operachambers 12-14-16l8. In order to setion and highly eiicient in'its practical apcure the desired degree of heat from each 85 plication. coil the valve as 34 controllingthe `flow ofy In the drawing,- steam therethrough is automatically oper- Figure 1 isv a longitudinal and vertical ated by a thermostat as 35 arrangedin the 35 section through my improved coating mapath of the air current at the point where it chine. i

Figure 2 is a sectionon 2-2 of Figure 1'. titionfbetween the next two succeeding com- Figure Sis a side elevation of one of the` `partments; By this means the moisture baffle plates used in my machine. y bearing air incompartment l1 may be kept Referring more particularlv to the drawup to the same temperaturey as the dry air flows through the'center opening in the par# 90" 40 ing, 1 indicates `a table of suitable `material entering compartment 18. 951

and dimensions having three chambers as` Partition 36 extends ldownwardly to a 2-3 and4 built thereon, but having siots as point"approachingv material 7 and carries a 5 and 6 formedin its ends to permit the pasflexible lip137 in order to entirely close' OE i sage therethrough of a strip of material to chamber 3 from chamber 4. Chamber 4 is 5 be coated` as indicated at 7. i `provided with several compartments as 38- 100 Partition 8 dividing chambers 2 and 3 de- 39,-.-40-41 in the same manner as chamber pends `from the. top ofthe structure to a 3 but no heating coils are provided. The i point close to the surface of material 7 so as air drawn `into chamber 4y throughfia slot 5 to prevent any material passage of air `6 by fan 42 isdischarged into an absorption.

called a dead air chambery and in which a vention and therefore indicated diagrammatooating knife as 9-is arranged as shown. ically at 43. i l

Chamber 3 is divided rinto a number of ln operation the material 7 is moved small compartments as 10-`l1-12-13-14- through the machine in the direction indi-' 5 15-16-17-18 formed by depending parcated by the arrow by a mechanismynot 110 through chamber 2 which is in consequence recovery systemforming no part of this in- 105i shown. Passing under knife-9; the: coating.'` material; is.. deposited. upon. it, but in. this flowing on of the coating material numerous small bubbles.. are formed. By passing the 5 freshly coated material first through dead air chamber 2, these bubbles are allowed to break. so that the material enters chamber 3 perfectly uniform in distribution and covering: As it travels through chamber 3 the air heated and diffused asv described effectua-llyf removes most of' thel solvents from the coating material,

the balance being removed'. duringr itspassagey through chamberl 4;'. After emerging from chamber the material is ready for additional coa-ting or embossing as the case maybe;

lclaim:

l'.` A coating machine including a; drying chamber providedl with openings for permite ting they passage `of a1 strip@ of `coated material therethrough, baille plates arranged therein ini close proximity to said material, alternateplates having central openings formed inf one' edge`thereof, and' the` intermediate plates having openings formed in the ends of?y the' opposite edge.

2. A coating machine includingv a dryingchamber provided with open-ings for permitting.y thepassage of a strip of coated ma.- terial therethrough;v baille plates arranged therein in close proximity to said material, to" form a series of compartments, alternate plates having central openings formed inv f one edge thereof and the intermediate plates having openings. formed in the ends of the opposite. edge, heating' units arranged in alternate` compartmeiits,and a thermostat arranged in each intermediate compartment. and operatively connected. to the controlling val-ve ofthe heatingV unit in an adjoining compartment.

3'. A. Ycoating machine including a drying,

chamber provided with' openings for permitting the passage of ai strip ofV coated niaterial therethrough; baffle plates suspended therein in close proximity to said material,

alternate plates having central openings.

formedy in 'their upper edges, and thek inten mediate plates having openings formed in the endso-f their lower edges.

4. A coating machine including al drying chamber provided withy vopenings forr permitting the passage of aA stripv of'coated ma.`

? terial therethrough; baffle. plates. suspended thereinv in. close proximity to said material, alternate plates` having central openings formed'` in. their upper edges and the inter'-V mediate: platesv havingQ openings formed; in the'. ends of' their lower'A edges; y a valve `formed therein, the openings in adjoining 'plates `being odset with relation to each other.

6. A coatingl machine including a drying chamber provided with openings for permitting the passage of a strip of coated material therethrough, bafie plates arranged therein in close proximity to the coated side of said material, andV having openingsv formed therein thereby forming communieatingv compartments, a valve controlled heating element arranged in one compartp ment, and a thermostat arranged in an adjoining compartment and operatively connected to the controlling valve of said heating element.

7. A coating machine includinoV a table, a chamber arranged thereover, and provided with openings for permittingv the passage of' a strip of' coated material over said table and through said chamber, baffle plates arranged in said chamber to form compartments therein, 'automatically regulating heatingunits arranged in alternate compartments ofv said chamber, a moisture extracting and heat regenerating mechanism, means for drawing air from one' end of said chamber' passing it through said moisture extracting and heat regenerating system and returning it to the other end of said chamber.

8. A coating machine including'a table, a plurality of' chambers arranged thereover, and provided with openings for permitting the passage of a strip of coated material over said table and through said chambers, baffle plates arranged in said chambers Vto form compartments therein, automatically regulated heating units arranged in alternate compartments of' one chamber,y a moisture extracting and heat regenerating mechanism,

means for drawing air from oneend of said chamber passing it through said moisture extracting and heat regenerating system and returning it to the other end of saidchamber, and: means fory circulating air through the other chamber in an opposite directionl to the movement of the coated material.

.ZENO OSTENBERG. 

